Speaker



FIG. 1 is a front view of a new design for a speaker.

FIG. 2 is a rear view thereof.

FIG. 3 is a left side view thereof

FIG. 4 is a right side view thereof.

FIG. 5 is a top view thereof.

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a perspective view thereof. 

CLAIM The ornamental design of a speaker, as shown and described. 